{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:3FIE3JPEQI7ULD5BLBHPE75XVZ","short_pith_number":"pith:3FIE3JPE","canonical_record":{"source":{"id":"0809.4166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-24T19:55:35Z","cross_cats_sorted":[],"title_canon_sha256":"66564fbc941a9f17b2e8e4b3d28981d672d2fe4440cf8c55fa485b6dd2054d0e","abstract_canon_sha256":"7b0ed3459578ed0d3d61d3c399915b0b0fc9cc41f78fda1948058c74cf78f546"},"schema_version":"1.0"},"canonical_sha256":"d9504da5e4823f458fa1584ef27fb7ae769bdb0e6edb59e0208e477448a16249","source":{"kind":"arxiv","id":"0809.4166","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.4166","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"0809.4166v2","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.4166","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"3FIE3JPEQI7U","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3FIE3JPEQI7ULD5B","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3FIE3JPE","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:3FIE3JPEQI7ULD5BLBHPE75XVZ","target":"record","payload":{"canonical_record":{"source":{"id":"0809.4166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-24T19:55:35Z","cross_cats_sorted":[],"title_canon_sha256":"66564fbc941a9f17b2e8e4b3d28981d672d2fe4440cf8c55fa485b6dd2054d0e","abstract_canon_sha256":"7b0ed3459578ed0d3d61d3c399915b0b0fc9cc41f78fda1948058c74cf78f546"},"schema_version":"1.0"},"canonical_sha256":"d9504da5e4823f458fa1584ef27fb7ae769bdb0e6edb59e0208e477448a16249","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:26.504922Z","signature_b64":"xcC2vanyzGWYcTq2+3BJiwYe6QUQSpVMvNjI1ooYnCiI7d/T2OBZnsEa77N7gNr4usA4IUNQsQPAG9yRNSYrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9504da5e4823f458fa1584ef27fb7ae769bdb0e6edb59e0208e477448a16249","last_reissued_at":"2026-05-18T04:29:26.504523Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:26.504523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.4166","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smwwYW+EPMmre/VpmDShPvISWwMjga2F4SA4QBhJZriBXjpm7/DAmAQbeKmitTjWlsPyvUe7PRttWo6c66TQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:31:46.863882Z"},"content_sha256":"6bc184eeedc918ec66097c5f1541798a714b2a1b079517b98ccf2c3f9bf9db15","schema_version":"1.0","event_id":"sha256:6bc184eeedc918ec66097c5f1541798a714b2a1b079517b98ccf2c3f9bf9db15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:3FIE3JPEQI7ULD5BLBHPE75XVZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Subaru Pencil-beam Search for m_R~27 Trans-neptunian bodies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Cesar I.Fuentes, Matthew J. Holman, Matthew R. George","submitted_at":"2008-09-24T19:55:35Z","abstract_excerpt":"We present the results of an archival search for Trans-neptunian objects (TNOs) in an ecliptic field observed with Subaru in 2002. The depth of the search allowed us to find 20 new TNOs with magnitudes between R=24 and 27. We fit a double power law model to the data; the most likely values for the bright and faint power law exponents are alpha_1=0.73_{-0.09}^{+0.08} and alpha_2=0.20_{-0.14}^{+0.12}; the differential number density at R=23 is sigma_{23}=1.46_{-0.12}^{+0.14} and the break magnitude is R_{eq}=25.0_{-0.6}^{+0.8}. This is the most precise measurement of the break in the TNO luminos"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.4166","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9dlzNqkDRhXwskbZoFG6up+Fyy3GycAKYK0/xiZMYKumugUA0HrRpzdWpZQb8papNXhL5gkE57MDHOpKt7g8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:31:46.865025Z"},"content_sha256":"58336d3862ec26b8a9c5cf8f85d3bfb91e874debb70383580cc106fdee516f1a","schema_version":"1.0","event_id":"sha256:58336d3862ec26b8a9c5cf8f85d3bfb91e874debb70383580cc106fdee516f1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/bundle.json","state_url":"https://pith.science/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-05T16:31:46Z","links":{"resolver":"https://pith.science/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ","bundle":"https://pith.science/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/bundle.json","state":"https://pith.science/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FIE3JPEQI7ULD5BLBHPE75XVZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:3FIE3JPEQI7ULD5BLBHPE75XVZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7b0ed3459578ed0d3d61d3c399915b0b0fc9cc41f78fda1948058c74cf78f546","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-24T19:55:35Z","title_canon_sha256":"66564fbc941a9f17b2e8e4b3d28981d672d2fe4440cf8c55fa485b6dd2054d0e"},"schema_version":"1.0","source":{"id":"0809.4166","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.4166","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"0809.4166v2","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.4166","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"3FIE3JPEQI7U","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3FIE3JPEQI7ULD5B","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3FIE3JPE","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:58336d3862ec26b8a9c5cf8f85d3bfb91e874debb70383580cc106fdee516f1a","target":"graph","created_at":"2026-05-18T04:29:26Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present the results of an archival search for Trans-neptunian objects (TNOs) in an ecliptic field observed with Subaru in 2002. The depth of the search allowed us to find 20 new TNOs with magnitudes between R=24 and 27. We fit a double power law model to the data; the most likely values for the bright and faint power law exponents are alpha_1=0.73_{-0.09}^{+0.08} and alpha_2=0.20_{-0.14}^{+0.12}; the differential number density at R=23 is sigma_{23}=1.46_{-0.12}^{+0.14} and the break magnitude is R_{eq}=25.0_{-0.6}^{+0.8}. This is the most precise measurement of the break in the TNO luminos","authors_text":"Cesar I.Fuentes, Matthew J. Holman, Matthew R. George","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-24T19:55:35Z","title":"A Subaru Pencil-beam Search for m_R~27 Trans-neptunian bodies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.4166","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6bc184eeedc918ec66097c5f1541798a714b2a1b079517b98ccf2c3f9bf9db15","target":"record","created_at":"2026-05-18T04:29:26Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7b0ed3459578ed0d3d61d3c399915b0b0fc9cc41f78fda1948058c74cf78f546","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-24T19:55:35Z","title_canon_sha256":"66564fbc941a9f17b2e8e4b3d28981d672d2fe4440cf8c55fa485b6dd2054d0e"},"schema_version":"1.0","source":{"id":"0809.4166","kind":"arxiv","version":2}},"canonical_sha256":"d9504da5e4823f458fa1584ef27fb7ae769bdb0e6edb59e0208e477448a16249","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9504da5e4823f458fa1584ef27fb7ae769bdb0e6edb59e0208e477448a16249","first_computed_at":"2026-05-18T04:29:26.504523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:26.504523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xcC2vanyzGWYcTq2+3BJiwYe6QUQSpVMvNjI1ooYnCiI7d/T2OBZnsEa77N7gNr4usA4IUNQsQPAG9yRNSYrCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:26.504922Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.4166","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bc184eeedc918ec66097c5f1541798a714b2a1b079517b98ccf2c3f9bf9db15","sha256:58336d3862ec26b8a9c5cf8f85d3bfb91e874debb70383580cc106fdee516f1a"],"state_sha256":"5031f37ae61d04b8199bea1728adc730f8b551a387d7b540bdece8d96f476a69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvlGgla8nG7R3yzPb1wtkknpcquMM5JyxDzCyTQlSPtrsnrM+zDoIM2g3fripusxloETm/7txMDyf1sysUcoBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T16:31:46.890162Z","bundle_sha256":"8766173995288ca1ac9abf1fcf826ffa0c993dacfda00a329b4619bffb48ccd0"}}